<template>
	<div>
		<!-- 面包屑导航 -->
		<el-breadcrumb separator-class="el-icon-arrow-right">
			<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>数据统计</el-breadcrumb-item>
			<el-breadcrumb-item>数据报表</el-breadcrumb-item>
		</el-breadcrumb>
		<!-- 卡片 -->
		<el-card>
			<!-- 为ECharts准备一个具备大小（宽高）的Dom -->
			<div id="main" style="width: 600px;height:400px;"></div>
		</el-card>
	</div>
</template>

<script>
import reportApi from '../../request/report/report.js'
import * as echarts from 'echarts'
import _ from 'lodash'

export default {
  data () {
    return {
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [{
          boundaryGap: false
        }],
        yAxis: [{
          type: 'value'
        }]
      }
    }
  },
  created () {

  },
  methods: {

  },
  async mounted () {
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main'))

    const {
      data: res
    } = await reportApi.reportApiGetChart()
    // this.$http.get('reports/type/1')

    if (res.meta.status !== 200) {
      return this.$message.error('获取折线图数据失败')
    }

    // 指定图表的配置项和数据
    const result = _.merge(res.data, this.options)

    // 使用刚指定的配置项和数据显示图表。
    myChart.setOption(result)
  }
}
</script>

<style>
</style>
